A small tag to mark a printer as reserved for an overnight print. Flip it to the blank side when the printer is free.
Can hold an SD card, or a relatively thin USB stick.
This was printed with 3 colors (with color change prompt, no need for MMU), and has ironing enabled for the top surfaces (added a modifier block to exclude the bottom half).
Designed for MK3/S+, but I imagine it would work on MK2 and MK4 as well.
The author marked this model as their own original creation.